* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 2007. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
-#include <config.h>
-
-#include <glib/gi18n.h>
-#include <atk/atk.h>
+#include "config.h"
#include "gtkvolumebutton.h"
-#include "gtktooltips.h"
-#include "gtkstock.h"
-struct _GtkVolumeButton
+#include "gtkadjustment.h"
+#include "gtkintl.h"
+#include "gtktooltip.h"
+
+
+/**
+ * SECTION:gtkvolumebutton
+ * @Short_description: A button which pops up a volume control
+ * @Title: GtkVolumeButton
+ *
+ * #GtkVolumeButton is a subclass of #GtkScaleButton that has
+ * been tailored for use as a volume control widget with suitable
+ * icons, tooltips and accessible labels.
+ */
+
+#define EPSILON (1e-10)
+
+static const gchar * const icons[] =
+{
+ "audio-volume-muted",
+ "audio-volume-high",
+ "audio-volume-low",
+ "audio-volume-medium",
+ NULL
+};
+
+static const gchar * const icons_symbolic[] =
{
- GtkScaleButton parent;
- GtkTooltips *tooltips;
+ "audio-volume-muted-symbolic",
+ "audio-volume-high-symbolic",
+ "audio-volume-low-symbolic",
+ "audio-volume-medium-symbolic",
+ NULL
};
-static void gtk_volume_button_class_init (GtkVolumeButtonClass *klass);
-static void gtk_volume_button_init (GtkVolumeButton *button);
-static void gtk_volume_button_dispose (GObject *object);
-static void gtk_volume_button_update_tooltip(GtkVolumeButton *button);
-static void cb_value_changed (GtkVolumeButton *button,
- gdouble value,
- gpointer user_data);
+enum
+{
+ PROP_0,
+ PROP_SYMBOLIC
+};
-static GtkScaleButtonClass *parent_class = NULL;
+static gboolean cb_query_tooltip (GtkWidget *button,
+ gint x,
+ gint y,
+ gboolean keyboard_mode,
+ GtkTooltip *tooltip,
+ gpointer user_data);
+static void cb_value_changed (GtkVolumeButton *button,
+ gdouble value,
+ gpointer user_data);
G_DEFINE_TYPE (GtkVolumeButton, gtk_volume_button, GTK_TYPE_SCALE_BUTTON)
+static void
+gtk_volume_button_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkScaleButton *button = GTK_SCALE_BUTTON (object);
+
+ switch (prop_id)
+ {
+ case PROP_SYMBOLIC:
+ if (g_value_get_boolean (value))
+ gtk_scale_button_set_icons (button, (const char **) icons_symbolic);
+ else
+ gtk_scale_button_set_icons (button, (const char **) icons);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_volume_button_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id)
+ {
+ case PROP_SYMBOLIC: {
+ char **icon_list;
+
+ g_object_get (object, "icons", &icon_list, NULL);
+ if (icon_list != NULL &&
+ icon_list[0] != NULL &&
+ g_str_equal (icon_list[0], icons_symbolic[0]))
+ g_value_set_boolean (value, TRUE);
+ else
+ g_value_set_boolean (value, FALSE);
+ g_strfreev (icon_list);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
static void
gtk_volume_button_class_init (GtkVolumeButtonClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- parent_class = g_type_class_peek_parent (klass);
- gobject_class->dispose = gtk_volume_button_dispose;
+ gobject_class->set_property = gtk_volume_button_set_property;
+ gobject_class->get_property = gtk_volume_button_get_property;
+
+ /**
+ * GtkVolumeButton:use-symbolic:
+ *
+ * Whether to use symbolic icons as the icons. Note that
+ * if the symbolic icons are not available in your installed
+ * theme, then the normal (potentially colorful) icons will
+ * be used.
+ *
+ * Since: 3.0
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_SYMBOLIC,
+ g_param_spec_boolean ("use-symbolic",
+ P_("Use symbolic icons"),
+ P_("Whether to use symbolic icons"),
+ FALSE,
+ G_PARAM_READWRITE));
}
static void
gtk_volume_button_init (GtkVolumeButton *button)
{
GtkScaleButton *sbutton = GTK_SCALE_BUTTON (button);
- GtkObject *adj;
- const char *icons[] = {
- "audio-volume-muted",
- "audio-volume-high",
- "audio-volume-low",
- "audio-volume-medium",
- NULL
- };
+ GtkAdjustment *adj;
+ GtkWidget *minus_button, *plus_button;
atk_object_set_name (gtk_widget_get_accessible (GTK_WIDGET (button)),
_("Volume"));
- atk_object_set_name (gtk_widget_get_accessible (sbutton->minus_button),
+ atk_object_set_description (gtk_widget_get_accessible (GTK_WIDGET (button)),
+ _("Turns volume down or up"));
+ atk_action_set_description (ATK_ACTION (gtk_widget_get_accessible (GTK_WIDGET (button))),
+ 1,
+ _("Adjusts the volume"));
+
+ minus_button = gtk_scale_button_get_minus_button (sbutton);
+ plus_button = gtk_scale_button_get_plus_button (sbutton);
+
+ atk_object_set_name (gtk_widget_get_accessible (minus_button),
_("Volume Down"));
- atk_object_set_name (gtk_widget_get_accessible (sbutton->plus_button),
+ atk_object_set_description (gtk_widget_get_accessible (minus_button),
+ _("Decreases the volume"));
+ gtk_widget_set_tooltip_text (minus_button, _("Volume Down"));
+
+ atk_object_set_name (gtk_widget_get_accessible (plus_button),
_("Volume Up"));
+ atk_object_set_description (gtk_widget_get_accessible (plus_button),
+ _("Increases the volume"));
+ gtk_widget_set_tooltip_text (plus_button, _("Volume Up"));
- gtk_scale_button_set_icons (sbutton, icons);
+ gtk_scale_button_set_icons (sbutton, (const char **) icons);
- adj = gtk_adjustment_new (0, 0, 100, 2, 10 * 2, 0);
+ adj = gtk_adjustment_new (0., 0., 1., 0.02, 0.2, 0.);
g_object_set (G_OBJECT (button),
"adjustment", adj,
"size", GTK_ICON_SIZE_SMALL_TOOLBAR,
- NULL);
-
- button->tooltips = gtk_tooltips_new ();
- g_object_ref_sink (button->tooltips);
- gtk_volume_button_update_tooltip (button);
+ "has-tooltip", TRUE,
+ NULL);
+ g_signal_connect (G_OBJECT (button), "query-tooltip",
+ G_CALLBACK (cb_query_tooltip), NULL);
g_signal_connect (G_OBJECT (button), "value-changed",
G_CALLBACK (cb_value_changed), NULL);
}
-static void
-gtk_volume_button_dispose (GObject *object)
-{
- GtkVolumeButton *button;
-
- button = GTK_VOLUME_BUTTON (object);
-
- if (button->tooltips)
- g_object_unref (button->tooltips);
- button->tooltips = NULL;
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
/**
- * gtk_volume_button_new
+ * gtk_volume_button_new:
*
- * Creates a #GtkVolumeButton, with a range between 0 and 100, with
- * a stepping of 2. Volume values can be obtained and modified using
+ * Creates a #GtkVolumeButton, with a range between 0.0 and 1.0, with
+ * a stepping of 0.02. Volume values can be obtained and modified using
* the functions from #GtkScaleButton.
*
* Return value: a new #GtkVolumeButton
return GTK_WIDGET (button);
}
-static void
-gtk_volume_button_update_tooltip (GtkVolumeButton *button)
+static gboolean
+cb_query_tooltip (GtkWidget *button,
+ gint x,
+ gint y,
+ gboolean keyboard_mode,
+ GtkTooltip *tooltip,
+ gpointer user_data)
{
+ GtkScaleButton *scale_button = GTK_SCALE_BUTTON (button);
+ GtkAdjustment *adjustment;
gdouble val;
char *str;
+ AtkImage *image;
+
+ image = ATK_IMAGE (gtk_widget_get_accessible (button));
- val = gtk_scale_button_get_value (GTK_SCALE_BUTTON (button));
+ adjustment = gtk_scale_button_get_adjustment (scale_button);
+ val = gtk_scale_button_get_value (scale_button);
- if (val == 0.0)
+ if (val < (gtk_adjustment_get_lower (adjustment) + EPSILON))
{
str = g_strdup (_("Muted"));
}
- else if (val == 100.0)
+ else if (val >= (gtk_adjustment_get_upper (adjustment) - EPSILON))
{
str = g_strdup (_("Full Volume"));
}
{
int percent;
- percent = (int) val;
- /* translators, this is the percentage of the current volume,
- * as used in the tooltip, eg. "49 %"
- * do not translate the part before the | */
- str = g_strdup_printf (Q_("volume percentage|%d %%"), percent);
+ percent = (int) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
+
+ /* Translators: this is the percentage of the current volume,
+ * as used in the tooltip, eg. "49 %".
+ * Translate the "%d" to "%Id" if you want to use localised digits,
+ * or otherwise translate the "%d" to "%d".
+ */
+ str = g_strdup_printf (C_("volume percentage", "%d %%"), percent);
}
- gtk_tooltips_set_tip (button->tooltips,
- GTK_WIDGET (button),
- str, NULL);
+ gtk_tooltip_set_text (tooltip, str);
+ atk_image_set_image_description (image, str);
g_free (str);
+
+ return TRUE;
}
static void
cb_value_changed (GtkVolumeButton *button, gdouble value, gpointer user_data)
{
- gtk_volume_button_update_tooltip (button);
+ gtk_widget_trigger_tooltip_query (GTK_WIDGET (button));
}
-
-/*
- * vim: sw=2 ts=8 cindent noai bs=2
- */
projects / ~andy / gtk / blobdiff